1/* $OpenBSD: psl.h,v 1.3 2021/01/09 13:14:02 kettenis Exp $ */
2
3/*-
4 * SPDX-License-Identifier: BSD-4-Clause
5 *
6 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
7 * Copyright (C) 1995, 1996 TooLs GmbH.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by TooLs GmbH.
21 * 4. The name of TooLs GmbH may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
29 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
30 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 * $NetBSD: psl.h,v 1.5 2000/11/19 19:52:37 matt Exp $
36 */
37
38#ifndef _MACHINE_PSL_H_
39#define _MACHINE_PSL_H_
40
41/*
42 * Machine State Register (MSR) - All cores
43 */
44#define PSL_VEC 0x02000000UL /* AltiVec/SPE vector unit available */
45#define PSL_VSX 0x00800000UL /* Vector-Scalar unit available */
46#define PSL_EE 0x00008000UL /* external interrupt enable */
47#define PSL_PR 0x00004000UL /* privilege mode (1 == user) */
48#define PSL_FP 0x00002000UL /* floating point enable */
49#define PSL_ME 0x00001000UL /* machine check enable */
50#define PSL_FE0 0x00000800UL /* floating point interrupt mode 0 */
51#define PSL_FE1 0x00000100UL /* floating point interrupt mode 1 */
52#define PSL_PMM 0x00000004UL /* performance monitor mark */
53#define PSL_RI 0x00000002UL /* recoverable interrupt */
54
55#define PSL_GS 0x10000000UL /* Guest state */
56#define PSL_UCLE 0x04000000UL /* User mode cache lock enable */
57#define PSL_WE 0x00040000UL /* Wait state enable */
58#define PSL_CE 0x00020000UL /* Critical interrupt enable */
59#define PSL_UBLE 0x00000400UL /* BTB lock enable - e500 only */
60#define PSL_DWE 0x00000400UL /* Debug Wait Enable - 440 only*/
61#define PSL_DE 0x00000200UL /* Debug interrupt enable */
62#define PSL_IS 0x00000020UL /* Instruction address space */
63#define PSL_DS 0x00000010UL /* Data address space */
64
65#define PSL_SF 0x8000000000000000UL /* 64-bit addressing */
66#define PSL_HV 0x1000000000000000UL /* hyper-privileged mode */
67
68#define PSL_POW 0x00040000UL /* power management */
69#define PSL_ILE 0x00010000UL /* interrupt endian mode (1 == le) */
70#define PSL_SE 0x00000400UL /* single-step trace enable */
71#define PSL_BE 0x00000200UL /* branch trace enable */
72#define PSL_IP 0x00000040UL /* interrupt prefix - 601 only */
73#define PSL_IR 0x00000020UL /* instruction address relocation */
74#define PSL_DR 0x00000010UL /* data address relocation */
75#define PSL_LE 0x00000001UL /* endian mode (1 == le) */
76
77/*
78 * Floating-point exception modes:
79 */
80#define PSL_FE_DIS 0 /* none */
81#define PSL_FE_NONREC PSL_FE1 /* imprecise non-recoverable */
82#define PSL_FE_REC PSL_FE0 /* imprecise recoverable */
83#define PSL_FE_PREC (PSL_FE0 | PSL_FE1) /* precise */
84#define PSL_FE_DFLT PSL_FE_DIS /* default == none */
85
86#define PSL_FPU (PSL_FP | PSL_FE_PREC)
87
88#endif /* _MACHINE_PSL_H_ */